The velocity graph of a car is shown below. The velocity is given in feet per second and the time in seconds. LOLOLOLOBO52515 5.5 4.5 4 3.5 3 2.5 1.5 0.5 1 2 3 4 5 1. (3pt) Using the left sum with n= 3 equal subdivisions, estimate of the total distance travelled by a car between t = 0 and t = 6 seconds. Explain, using the graph to illustrate how you arrived at your estimation. 6 2. (1pt) Is your answer to part 1 an overestimate or an underestimate? Briefly explain.