Self-Assessment Solutions

Visualizing Velocity and Derivative

1.	For 3 t 6, average velocity = –44ft/s For 3 t 5, average velocity = –28ft/s For 3 t 4, average velocity = –12ft/s
2.	v = 2ft/s
3.	v = 30ft/s
4.	v = 5ft/s

Visualizing Acceleration and Second Derivative

1.	18m/s2
2.	–9.8
3.	60
4.	6