OK, pretty much addicted to learning the ins and outs of Motion 5 and it's time to move into more adventurous editing. I can't seem to figure out is how to warp video speeds like in the below demo with the Audi drifting around a track.

MOTION 5 Features (HD 720P) - YouTube

Any tips how to switch it up mid shot like this? Learning how to 'slow mo' would be extremely useful for future plans.