Please show work and solve for part a and b, given the visuals and measurements!

Arena - start a , = - 5m /52 9, = - 5 mis2 80m V1 = 10 m/S 80 m - - - - 30 m 50 m V 2- 3.0 m/s a ) How much time does it take Sam to slide down, run across climb to the top , and slide down to the end ? + 815 m X 90 miel b) After sliding down, Sam encounters a boulder blocking his path to the finish. The distance between sam and the boulder is 90 m. The heightof the boulder is 5m. What velocity should Sam jump at to make it over the boulder ? How far to the right of the boulder will sam land