2. The position-time graph below represents the motion of South's basketball coach during the last sixteen seconds of overtime during this past weekend's game. Use the graph to answer the next several questions. a. Determine the average velocity of the coach after 8.0 seconds. b. Determine the average speed of the coach after 8.0 seconds. c. Determine the average velocity of the coach after 14.0 seconds. d. Determine the average speed of the coach after 14.0 seconds. e. What was the fastest speed which the coach walked during any of the time intervals for the last 16.0 seconds? f. What was the average velocity of the coach for these 16.0 seconds? g. What was the average speed of the coach for these 16.0 seconds?