If a ball is thrown into the air with a velocity of 48 ft/s, its height in feet t seconds later is given by y = 48t − 16t2. (a) Find the average velocity for the time period beginning when t = 2 and lasting for each of the following. (i) 0.5 seconds -24 Correct: Your answer is correct. ft/s (ii) 0.1 seconds -16. Changed: Your submitted answer was incorrect. Your current answer has not been submitted. ft/s (iii) 0.05 seconds -16.8 Correct: Your answer is correct. ft/s (iv) 0.01 seconds -16.16 Correct: Your answer is correct. ft/s