t seconds is given by h(t) = 58t - 0.83 t2 a) Find the average velocity of the arrow over the following time intervals showing at least one of them in full detail including substitutions. (8 pts) i. [1, 1.5] ii. [1, 1.1] [1, 1.01] iv. [1, 1.001] b) Using part a, estimate the instantaneous velocity of the arrow when t = 1 (2 pts) Explain your reasoning