Usain Bolt ran the 100 meters with velocities as shown in the graph. Categorize his motion as one of the following:

A) Constant velocity (zero acceleration), also known as "sixth grade kinematics".

B) Constant acceleration of magnitude g or g*sin(theta)

C) Constant acceleration of some other value

D) Changing acceleration of two or more discreet values.

E) Continuously changing acceleration

Solution