I got the Velocity Env. working OK, but I want even much slower and much faster action than what you get from moving the velobar up and down - Can it be calibrated further?
When you reach the limit of any effect you can render the part out to DV, get the result back into Vegas and process further. Mind you, overdoing effects may not look good, but that depends on what you want. (One person's ugly is another's nice.)
Tor
As far as slower goes, you can go all the way down to a dead stop. How much slower do you need to get? Hey, it even goes beyond stop to reverse!
For faster, you can also use Ctrl-Drag to shorten the length of the clip and speed it up this way up to 4x. Combine this with 300% Velocity and the clip will play 12x faster.