A motorcycle has a constant acceleration of 3.08 m/s2. Both the velocity and acceleration of the motorcycle point in the same direction. How much time is required for the motorcycle to change its spee

A motorcycle has a constant acceleration of 3.08 m/s2. Both the velocity and acceleration of the motorcycle point in the same direction. How much time is required for the motorcycle to change its speed from (a)27.9 to 37.9 m/s, and (b)57.9 to 67.9 m/s?