Well, most importantly here, when you do get in the sled, you have to get in with catlike movements... you need to get relaxed.
8 seconds sound clip from the Cool Runnings movie soundboard.
You can hear this line at 01:20:35 in the Blu-ray version of the movie.
Quote context
[...]
- Ready... Eins, zwei, drei. Go! Go, go, go! Go! Go!
- I've never seen anything like this. I know it's not funny, but how embarrassing.
- Look at the high line in Omega! He bounces off the wall, ricochets like a pinball.
- The driver here, Derice Bannock, looks like the sled's really drivin' him.
- That fool better watch his mouth.
- He better watch more than that.
- This is the time when this team may be thinking, 'This may not have been such a great idea.'
[...]