The average velocity of an object with position function s(t) on the interval [a, t] is s(t) - s(a) t-a : Submit Question - Given the position function below. s(t) = 16t + 73t + 128 Find the average velocity of the projectile on the interval [3, t] . v(t) 73F As At The instantaneous velocity of an object with position function s(t) at t = a ds s(t) s(a) v(a) = =lim - dt t-a t-a Find the instantaneous velocity of the projectile at t = 3.