A Car Travels on a Road That, If Viewed from the Side

Multiple Choice

A car travels on a road that, if viewed from the side, has a semicircular bump. When at the top of the bump, the occupants of the car feel as though they weigh half their normal weight. What is the speed of the car if the radius of the semicircle is 120 m?

A) 107 m/s
B) 53.7 m/s
C) 34.3 m/s
D) 24.2 m/s