The shape of the first hill will determine how fast your coaster can
safely travel on the track. Its shape will also determine if the
coaster will stay on the track.
What shape do you choose?
Choose one of the selections on the left and then click on the button below.
Hint: Try to think of your coaster as a projectile that moves
through space. A ball is a
projectile. What path does a ball take when you throw it?