You can set the event speed properties to 400%, and also
add a velocity envelope to the event(+300%). The speed
changes are cumulative- if you still need more you can
render the event to a new track and repeat.

James Cortez wrote:
>>Is there a way to raise the speed of a clip higher than
>>400%? 4 times the original speed isn't all that much,
>>especially when you're trying to do "Requiem for a Dream"-
>>type effects. Please someone say there's a way!!