The speed of a runner increased steadily during the first two seconds of a race. t(s) 0 0.5 1 1.5 2 v(ft/s) 0 5.1 9.3 12.5 15.6 Estimate the distance she traveled during these two seconds usin the speed at the end of the time intervals. A. 42.5 B. 13.45 C. 21.25 D. 26.9 E. 61.8