Without seeing the music, one can at best guess. Here are my guesses:
1) Yes. Slowly cannot be as fast as vigorously.
2) I would not slow down. I might speed up if I could not achieve the proper degree of "wildness" in other ways.
3) Slower, then slower still. I might change my mind if this was a repeat of the same theme or figure.
HTH
Thanks Rick,
If you wanted to check your guesses, I've written out the melody of that section with all the english markings as text:
!NoteWorthyComposerClip(2.0,Single)
|Clef|Type:Treble
|TimeSig|Signature:2/4
|Tempo|Tempo:100|Text:"Vigorously"|Pos:12|Visibility:TopStaff
|Note|Dur:8th,Grace,Slur|Pos:3|Opts:Slur=Upward
|Dynamic|Style:f|Pos:-8
|Note|Dur:8th|Pos:6|Opts:Stem=Down,Beam=First
|Note|Dur:8th|Pos:6|Opts:Stem=Down,Beam=End
|Note|Dur:8th,Dotted,Accent|Pos:3|Opts:Stem=Down,Beam=First
|Note|Dur:16th|Pos:3|Opts:Stem=Down,Beam=End
|Bar
|Note|Dur:8th|Pos:5|Opts:Stem=Down,Beam=First
|Note|Dur:8th|Pos:5|Opts:Stem=Down,Beam=End
|Note|Dur:8th,Dotted,Accent|Pos:2|Opts:Stem=Down,Beam=First
|Note|Dur:16th|Pos:2|Opts:Stem=Down,Beam=End
|Bar
|Note|Dur:8th,Accent|Pos:4|Opts:Stem=Down,Beam=First
|Note|Dur:16th|Pos:1|Opts:Stem=Down,Beam
|Note|Dur:16th|Pos:1|Opts:Stem=Down,Beam=End
|Note|Dur:8th,Accent|Pos:3|Opts:Stem=Down,Beam=First
|Note|Dur:16th|Pos:0|Opts:Stem=Down,Beam
|Note|Dur:16th|Pos:0|Opts:Stem=Down,Beam=End
|Bar
|Note|Dur:8th,Triplet=First,Accent|Pos:2|Opts:Stem=Down,Beam=First
|Note|Dur:8th,Triplet|Pos:-1|Opts:Stem=Down,Beam
|Note|Dur:8th,Triplet=End|Pos:-1|Opts:Stem=Down,Beam=End
|Note|Dur:8th,Accent|Pos:1|Opts:Stem=Up,Beam=First
|TempoVariance|Style:Fermata|Pause:4|Pos:6|Placement:AtNextNote
|Note|Dur:8th,Accent|Pos:b-4|Opts:Stem=Up,Beam=End
|Dynamic|Style:mf|Pos:-8
|Bar
|Text|Text:"Start slowly and accelerate"|Font:StaffItalic|Pos:10
|Note|Dur:8th,Grace,Slur|Pos:-8
|Note|Dur:8th|Pos:-4|Opts:Stem=Up,Beam=First
|Note|Dur:8th|Pos:-4|Opts:Stem=Up,Beam=End
|Note|Dur:8th,Dotted,Accent|Pos:-4|Opts:Stem=Up,Beam=First
|Note|Dur:16th|Pos:-7|Opts:Stem=Up,Beam=End
|Bar
|Note|Dur:16th,Slur|Pos:-5|Opts:Stem=Up,Beam=First
|Note|Dur:16th|Pos:-6|Opts:Stem=Up,Beam
|Note|Dur:16th|Pos:-7|Opts:Stem=Up,Beam
|Note|Dur:16th|Pos:-6|Opts:Stem=Up,Beam=End
|Note|Dur:4th|Pos:-8
|Bar
|Note|Dur:8th,Grace,Slur|Pos:-8
|Note|Dur:8th|Pos:-1|Opts:Stem=Up,Beam=First
|Note|Dur:8th|Pos:-1|Opts:Stem=Up,Beam=End
|Note|Dur:8th,Dotted,Accent|Pos:-1|Opts:Stem=Up,Beam=First
|Note|Dur:16th|Pos:-4|Opts:Stem=Up,Beam=End
|Bar
|Note|Dur:16th,Slur|Pos:-2|Opts:Stem=Up,Beam=First
|Note|Dur:16th|Pos:-3|Opts:Stem=Up,Beam
|Note|Dur:16th|Pos:-4|Opts:Stem=Up,Beam
|Note|Dur:16th|Pos:-3|Opts:Stem=Up,Beam=End
|Note|Dur:4th|Pos:-5
|Bar
|Note|Dur:8th,Grace,Slur|Pos:-5
|Note|Dur:8th|Pos:0|Opts:Stem=Down,Beam=First
|Note|Dur:8th|Pos:0|Opts:Stem=Down,Beam=End
|Note|Dur:4th|Pos:-1
|Bar
|Note|Dur:8th,Grace,Slur|Pos:-5
|Note|Dur:8th|Pos:#-2|Opts:Stem=Up,Beam=First
|Note|Dur:8th|Pos:-2|Opts:Stem=Up,Beam=End
|Note|Dur:4th|Pos:-3
|Bar
|Note|Dur:8th,Grace|Pos:-5
|Note|Dur:8th|Pos:-4|Opts:Stem=Up,Beam=First
|Note|Dur:8th|Pos:-4|Opts:Stem=Up,Beam=End
|Note|Dur:16th,Slur|Pos:-5|Opts:Stem=Up,Beam=First
|Note|Dur:16th|Pos:-6|Opts:Stem=Up,Beam
|Note|Dur:16th|Pos:-7|Opts:Stem=Up,Beam
|Note|Dur:16th|Pos:-6|Opts:Stem=Up,Beam=End
|Bar
|Note|Dur:4th|Pos:-8
|Note|Dur:8th,Grace,Slur|Pos:-7
|Note|Dur:4th,Accent|Pos:-8
|Bar
|Text|Text:"as before"|Font:StaffItalic|Pos:9
|Note|Dur:8th,Grace,Slur|Pos:-8
|Note|Dur:8th|Pos:-4|Opts:Stem=Up,Beam=First
|Note|Dur:8th|Pos:-4|Opts:Stem=Up,Beam=End
|Note|Dur:8th,Dotted,Accent|Pos:-4|Opts:Stem=Up,Beam=First
|Note|Dur:16th|Pos:-7|Opts:Stem=Up,Beam=End
|Bar
|Note|Dur:16th,Slur|Pos:-5|Opts:Stem=Up,Beam=First
|Note|Dur:16th|Pos:-6|Opts:Stem=Up,Beam
|Note|Dur:16th|Pos:-7|Opts:Stem=Up,Beam
|Note|Dur:16th|Pos:-6|Opts:Stem=Up,Beam=End
|Note|Dur:4th|Pos:-8
|Bar
|Note|Dur:8th,Grace,Slur|Pos:-8
|Note|Dur:8th|Pos:-1|Opts:Stem=Up,Beam=First
|Note|Dur:8th|Pos:-1|Opts:Stem=Up,Beam=End
|Note|Dur:8th,Dotted,Accent|Pos:-1|Opts:Stem=Up,Beam=First
|Note|Dur:16th|Pos:-4|Opts:Stem=Up,Beam=End
|Bar
|Note|Dur:16th,Slur|Pos:-2|Opts:Stem=Up,Beam=First
|Note|Dur:16th|Pos:-3|Opts:Stem=Up,Beam
|Note|Dur:16th|Pos:-4|Opts:Stem=Up,Beam
|Note|Dur:16th|Pos:-3|Opts:Stem=Up,Beam=End
|Note|Dur:4th|Pos:-5
|Bar
|Note|Dur:8th,Grace,Slur|Pos:-5
|Note|Dur:8th|Pos:0|Opts:Stem=Down,Beam=First
|Note|Dur:8th|Pos:0|Opts:Stem=Down,Beam=End
|Note|Dur:4th|Pos:-1
|Bar
|Note|Dur:8th,Grace,Slur|Pos:-1
|Note|Dur:8th|Pos:2|Opts:Stem=Down,Beam=First
|Note|Dur:8th|Pos:2|Opts:Stem=Down,Beam=End
|Note|Dur:4th|Pos:1
|Bar
|Note|Dur:8th,Grace,Slur|Pos:0
|Note|Dur:8th|Pos:4|Opts:Stem=Down,Beam=First
|Note|Dur:16th|Pos:3|Opts:Stem=Down,Beam
|Note|Dur:16th|Pos:2|Opts:Stem=Down,Beam=End
|Note|Dur:8th|Pos:#5|Opts:Stem=Down,Beam=First
|Note|Dur:16th|Pos:4|Opts:Stem=Down,Beam
|Note|Dur:16th|Pos:3|Opts:Stem=Down,Beam=End
|Bar
|Note|Dur:16th,Slur|Pos:7|Opts:Stem=Down,Beam=First
|Note|Dur:16th|Pos:6|Opts:Stem=Down,Beam
|Note|Dur:16th|Pos:#5|Opts:Stem=Down,Beam
|Note|Dur:16th|Pos:6|Opts:Stem=Down,Beam=End
|Note|Dur:16th|Pos:5|Opts:Stem=Down,Beam=First
|Note|Dur:16th|Pos:n4|Opts:Stem=Down,Beam
|Note|Dur:16th|Pos:3|Opts:Stem=Down,Beam
|Note|Dur:16th|Pos:4|Opts:Stem=Down,Beam=End
|Bar
|Note|Dur:16th,Slur|Pos:#5|Opts:Stem=Down,Beam=First
|Note|Dur:16th|Pos:4|Opts:Stem=Down,Beam
|Note|Dur:16th|Pos:3|Opts:Stem=Down,Beam
|Note|Dur:16th|Pos:4|Opts:Stem=Down,Beam=End
|Note|Dur:16th|Pos:3|Opts:Stem=Down,Beam=First
|Note|Dur:16th|Pos:2|Opts:Stem=Down,Beam
|Note|Dur:16th|Pos:1|Opts:Stem=Down,Beam
|Note|Dur:16th|Pos:0|Opts:Stem=Down,Beam=End
|Bar
|Note|Dur:8th,Grace,Slur|Pos:-1|Opts:Slur=Upward
|Note|Dur:8th|Pos:8|Opts:Stem=Down,Beam=First
|Note|Dur:8th|Pos:8|Opts:Stem=Down,Beam=End
|Note|Dur:8th,Dotted|Pos:6|Opts:Stem=Down,Beam=First
|Note|Dur:16th|Pos:7|Opts:Stem=Down,Beam=End
|Bar
|Note|Dur:16th,Slur|Pos:9|Opts:Stem=Down,Beam=First
|Note|Dur:16th|Pos:8|Opts:Stem=Down,Beam
|Note|Dur:16th|Pos:7|Opts:Stem=Down,Beam
|Note|Dur:16th|Pos:8|Opts:Stem=Down,Beam=End
|Note|Dur:4th|Pos:6
|Bar
|Note|Dur:8th,Grace,Slur|Pos:6|Opts:Stem=Down,Slur=Upward
|Note|Dur:8th|Pos:10|Opts:Stem=Down,Beam=First
|Note|Dur:8th|Pos:10|Opts:Stem=Down,Beam=End
|Note|Dur:8th,Grace,Slur|Pos:10|Opts:Stem=Up
|Note|Dur:8th,Dotted|Pos:6|Opts:Stem=Down,Beam=First
|Note|Dur:16th|Pos:7|Opts:Stem=Down,Beam=End
|Bar
|Note|Dur:16th|Pos:9|Opts:Stem=Down,Beam=First
|Note|Dur:16th|Pos:8|Opts:Stem=Down,Beam
|Note|Dur:16th|Pos:7|Opts:Stem=Down,Beam
|Note|Dur:16th|Pos:8|Opts:Stem=Down,Beam=End
|Note|Dur:4th|Pos:6
|Bar
|Note|Dur:8th|Pos:4|Opts:Stem=Down,Beam=First
|Note|Dur:16th|Pos:2|Opts:Stem=Down,Beam
|Note|Dur:16th|Pos:1|Opts:Stem=Down,Beam=End
|Note|Dur:8th|Pos:3|Opts:Stem=Down,Beam=First
|Note|Dur:16th|Pos:1|Opts:Stem=Down,Beam
|Note|Dur:16th|Pos:-1|Opts:Stem=Down,Beam=End
|Bar
|Note|Dur:16th,Slur|Pos:2|Opts:Stem=Up,Beam=First
|Note|Dur:16th|Pos:0|Opts:Stem=Up,Beam
|Note|Dur:16th|Pos:-1|Opts:Stem=Up,Beam
|Note|Dur:16th|Pos:-3|Opts:Stem=Up,Beam=End
|Note|Dur:8th|Pos:0|Opts:Stem=Up,Beam=First
|Note|Dur:16th|Pos:-1|Opts:Stem=Up,Beam
|Note|Dur:16th|Pos:-3|Opts:Stem=Up,Beam=End
|Bar
|Note|Dur:8th|Pos:-4|Opts:Stem=Up,Beam=First
|Note|Dur:16th|Pos:-5|Opts:Stem=Up,Beam
|Note|Dur:16th|Pos:-7|Opts:Stem=Up,Beam=End
|Note|Dur:8th|Pos:-6|Opts:Stem=Up,Beam=First
|Note|Dur:16th|Pos:-7|Opts:Stem=Up,Beam
|Note|Dur:16th|Pos:-8|Opts:Stem=Up,Beam=End
|Bar
|Note|Dur:16th|Pos:#-9|Opts:Stem=Up,Beam=First
|Note|Dur:16th|Pos:-8|Opts:Stem=Up,Beam
|Note|Dur:16th|Pos:-7|Opts:Stem=Up,Beam
|Note|Dur:16th|Pos:-6|Opts:Stem=Up,Beam=End
|TempoVariance|Style:Ritenuto|Pos:9
|Note|Dur:16th|Pos:-5|Opts:Stem=Up,Beam=First
|Note|Dur:16th|Pos:-4|Opts:Stem=Up,Beam
|Note|Dur:16th|Pos:#-3|Opts:Stem=Up,Beam
|Note|Dur:16th|Pos:#-2|Opts:Stem=Up,Beam=End
|Bar
|Note|Dur:8th|Pos:-1|Opts:Stem=Up,Beam=First
|Note|Dur:8th|Pos:-1|Opts:Stem=Up,Beam=End
|Note|Dur:8th,Dotted,Accent|Pos:-1|Opts:Stem=Up,Beam=First
|Note|Dur:16th|Pos:0|Opts:Stem=Up,Beam=End
|Bar
|Note|Dur:16th,Slur|Pos:2|Opts:Stem=Down,Beam=First
|Note|Dur:16th|Pos:1|Opts:Stem=Down,Beam
|Note|Dur:16th|Pos:0|Opts:Stem=Down,Beam
|Note|Dur:16th|Pos:1|Opts:Stem=Down,Beam=End
|Note|Dur:4th|Pos:-1^
|Bar
|Note|Dur:Half|Pos:-1
|Bar
|Note|Dur:8th,Grace,Slur|Pos:#-5
|Note|Dur:8th|Pos:-1|Opts:Stem=Up,Beam=First
|Note|Dur:8th|Pos:-1|Opts:Stem=Up,Beam=End
|Note|Dur:4th|Pos:-1
|Bar
|TempoVariance|Style:Ritenuto|Pos:9
|Note|Dur:8th,Grace,Slur|Pos:-5
|Note|Dur:8th|Pos:-1|Opts:Stem=Up,Beam=First
|Note|Dur:8th|Pos:-1|Opts:Stem=Up,Beam=End
|Note|Dur:4th|Pos:-1
|Bar
|Note|Dur:8th,Grace,Slur|Pos:-8
|Note|Dur:8th|Pos:-1|Opts:Stem=Up,Beam=First
|Note|Dur:8th|Pos:-1|Opts:Stem=Up,Beam=End
|Note|Dur:8th,Grace,Slur|Pos:-1|Opts:Slur=Upward
|TempoVariance|Style:Fermata|Pause:0|Pos:11|Justify:Center|Placement:AtNextNote
|Note|Dur:4th|Pos:6^|Opts:Stem=Down
|Bar
|Note|Dur:Half|Pos:6
|Bar
|TimeSig|Signature:3/4
|Text|Text:"Recitative - freely and slower"|Font:StaffItalic|Pos:12
|Note|Dur:32nd,Slur|Pos:-8|Opts:Stem=Up,Beam=First
|Note|Dur:32nd,Slur|Pos:-6|Opts:Stem=Up,Beam
|Note|Dur:32nd,Slur|Pos:-4|Opts:Stem=Up,Beam
|Note|Dur:32nd,Slur|Pos:-1|Opts:Stem=Up,Beam
|Note|Dur:16th,Slur|Pos:1|Opts:Stem=Up,Beam
|Note|Dur:16th|Pos:2|Opts:Stem=Up,Beam=End
|TempoVariance|Style:Fermata|Pause:0|Pos:6|Justify:Center|Placement:AtNextNote
|Note|Dur:4th,Dotted|Pos:3
|Note|Dur:8th|Pos:2
|Bar
!NoteWorthyComposerClip-End
I would tend to agree with you, however
Globbilink, I think I agree with Rick's answers to your questions 2 and 3. The composer used the expressions in an unusual manner, so you are left to interpret them as best as you can.
I often complain that the composer should write so the musician can understand the composer's intentions. Sometimes they don't, doing you, the musician, a disservice.
Since this is immediately after a fermata, I think it simply means what it says. You've ground to a stop, so now just start slowly and speed up to tempo primo at measure 13. "As before" is ambiguous.
It would be nice if the composer indicated a tempo each time, such as bar 4 crotchet=48, accelerating to crotchet=100 by bar 13.
You should assume the composer didn't deliberately include a redundant command, so I agree with Rick's interpretation re the two rit. commands.