Two bicyclists are racing down a straight road. at one point in time the bicyclists are right next to each other. at this moment, bicyclist a has a velocity of 17 miles/hr and an acceleration of 32 miles/hr^2 , and bicyclist b has a velocity of 20 miles/hr and an acceleration of 2 miles/hr^2 . which bicyclist do you expect to be in front 15 minutes (1/4 hour) later? explain your reasoning.