If you want to do them ALL at once and you want BOTH video and audio:
1. Start a new project
2. Drag that VEG file to the timeline of the new project (nested VEG)
3. Hold down the CTRL key and resize the clip *OR* right-click it and change the “Playback Rate” where you can manually enter an exact percentage.
BTW, you can change the velocity envelope to any percentage you desire by right-clicking the node you want to change and choosing “Set To…” where you can type in an exact percentage.
Edward Troxel
