The position (in thousands of feet) of a car driving along a straight road at time t in minutes is given by the function y = 8(t) that is pictured below. 14 10 6 2 2 6 10 Which graph A-F is the best representative of the derivative function s'(t)? F v B 10 E - (Note; the vertical axes of these graphs may have been scaled to to fit these functions. Click on a graph to enlarge it.)