A car travels on a straight, level road.
(a) Starting from rest, the car is going 44 ft/s (30 mi/h) at the
end of 5.0 s. What is the car's average acceleration in ft/s
(b) In 4.0 more seconds, the car is going 88 ft/s (60 mi/h).
What is the car's average acceleration for this time perio
(c) The car then slows to 66 ft/s (45 mi/h) in 3.0 s. What is
the average acceleration for this time period?