The graph below shows position versus time for a tennis play…

The graph below shows position versus time for a tennis player moving along a straight-line path. What is the tennis player’s average velocity (in m/s) over the following time intervals? (Indicate the direction with the signs of your answers.) (a)  0 to 1.00 s  m/s   (b) 0 to 4.00 s m/s   (c) 1.00 s to 5.00 s m/s (d) 0 to 5.00 s m/s