Question

If a ball is thrown in the air with a velocity 44 ft/s, its height in feet t seconds later is given by y = 44t − 16t2.
(a) Find the average velocity for the time period beginning when t = 2 and lasting
(i) 0.5 second.
ft/s

(ii) 0.1 second.
ft/s

(iii) 0.05 second.
ft/s

(iv) 0.01 second.
ft/s