At the top of a roller-coaster, you feel like you might fly off the ride. This is because
a. there is more gravity at the top of the ride.
b. your mass is greatest at the top of the hill
b. you have a greater velocity at the top of the ride
d. your body has inertia that tends to move you upwards

Respuesta :

B.??????? 
It's either B. or A.

The answer is D.  At the very top of the ride your body is moving upward but the car starts to get pulled down by gravity and its connection to the track.  Because you are now moving up while the car descends, you feel like you're coming out of the car