Answer in units of m/s. 020 (part 1 of 3) 10.0 points A ski jumper travels down a slope and leaves the ski track moving in the horizontal direc- tion with a speed of 21 m/s as in the figure. The landing incline below her falls off with a slope of = 57. The acceleration of gravity is 9.8 m/s. 021 (part 2 of 3) 10.0 points Determine how long the ski jumper is air- borne. Answer in units of s. 022 (part 3 of 3) 10.0 points What is the magnitude of the relative angle with which the ski jumper hits the slope? Answer in units of .