2. The following graph shows the speed of a cheetah during the first two seconds of a sprint. 25 20 15 speed (m/s) 10 5 0.5 1.5 time (sec) (a) Estimate the distance run by the cheetah during the first two seconds as accurately as you can, and briefly explain the method you used. (Your answer must be correct to within 2 meters to receive full credit.)