Could you possibly answer this calculus question for me? Show work

A silver dollar is dropped from the top of a building that is 1345 feet tall. Use the position function below for freefalling objects. 5m 2 16t-' + vat + 50 {a} Determine the position and velocity functions for the coin. so) = 16t2 + 1345 .r um = 321' g {b} Determine the average velocity on the interval [2, 3]. :x we {c} Find the instantaneous velocities when t = 2 seconds and t = 3 seconds. v{2) = 454 at W5 v{3) = 95 J ftfs {cl} Find the time required for the coin to reach the ground level. [Round your answer to three decimal places.) {e} Find the velocity of the coin at impact. {Round your answer to three decimal places.) :le