1. Draw a position-time graph to match the story. Make sure the graph is to scale. (show all your math work!). Bob walks through the jungle at 3 m/s, traveling 35 m. He hears a twig break and belly crawls forward 10 meters in 20 seconds. He stops there to spy on a group of bad guys for the next 15 seconds before sprinting back to his starting position at 6 m/s.

2. Jane becomes a racecar driver and enters the Circuit. Explain how can he:

a. have a positive speed and positive acceleration?

b. have a positive speed and no acceleration?

c. have positive speed and negative acceleration?