Bradford hopped into his ford mustang gt to rush to diana and tell her how fantastic his students did on the end of course exam. his mustang can go from 0 to 60 mph in a brief 4.7 seconds. bradford accelerated to top speed quickly and then maintained a speed of 60 mph until he arrived at diane's office. part a: sketch the graph of the situation on the coordinate plane. part b: over which interval would you hove the greatest rate of change? justify your answer. part c: what part of the situation represents the time when the graph has no rate of change?