Which statement is a hypothesis these students might be using in their experiments?
A. This experiment test how the speed of a toy car changes with the steepness of the ramp
B. It’s fun to see how fast the cars roll down the steepest ramp
C. Will a toy car roll faster down a steeper ramp
D. If a toy car is rolled down ramps of different stiffness it will roll faster on the steepest ramp