a) Explain how you can use the graph above to describe the change in velocity over time.

b) Identify the time (ta, tb, tc, td, or te) in which instantaneous velocity is greatest and why?

c) Identify the time, (a, b, c, d, or e), where velocity equals zero and why?

d) Identify the time, (a, b, c, d, or e), where velocity is negative and why?