A projectile is launched vertically upward from the surface of Mars. Table I gives the height of the object at the indicated time following launch. Table 1 Time(seconds) 0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 Height (feet) 0 18.2 34.4 48.4 60.4 70.4 78.3 84.2 88.1 90.0 Time(seconds) 4.0 4.4 4.8 5.2 5.6 6.0 6.4 6.8 7.2 7.6 Height (feet) 89.6 87.3 82.9 76.5 68.1 57.6 45.1 30.5 13.8 0 a) Using the data, compute the average velocity of the projectile on the following time intervals: i) [0. 4.0] ii) [1.6, 2.4] ii) [1.6, 2.0] iv) [2.0, 2.4] b) Estimate the velocity of the projectile when t = 2.0. Justify your results