Use the following graph to answer the next question. Velocity vs. Time Graph of a Ball Rolling Down a Ramp 3.5 25 0.5 Time (s) 1. What is the change in average acceleration of the ball? A. 0.5 m/s2 B. 0.7 m/s2 C. 1.5 m/s2 D. 2.0 m/s2 Use the following graph to answer the next question. Velocity vs. Time Graph of a Skateboarder on the Sidewalk 10 6. 10 15 Time (s) 2. During which time interval is the skateboarder experiencing uniform motion? A. 0 - 2 s . 2 - 4 s .4 - 8 s D. 8 - 12 s Velocity (mis) Velocity (mis)