The fresh new series of decelerations shall be presented below: cuatro.dos Brake power. Whenever attached to an inertia dynamometer, for each brake should be capable of making 10 straight decelerations within the average rates out of 9 f.p.s.p.s. away from 50 meters.p.h. to fifteen yards.p.h., on equivalent durations off 72 moments, and you may should be capable of decelerating so you can a stop out-of 20 m.p.h. within the .