graded. ATTACH WORK If a ball is thrown straight up into the air with an initial velocity of 75 ft/s, it height in feet after t second is given by y = 75t - 16t?. a.) Find the average velocity for the time period begining when t - 2 and lasting for the given amount of time. (i) 0.5 seconds. Answer: (ii) 0.1 seconds. Answer: (iii) 0.01 seconds. Answer: b.) Based on the above results, guess what the instantaneous velocity of the ball is when t - 2 seconds. Answer: You can earn partial credit on this problem. Submit Answers 79.F Mostly cloudy problemid=123122# O