iMiraiLepus16 iMiraiLepus16 25-01-2017 Physics contestada What is a chicken’s rate of acceleration that speeds up from 4 mph (mi/h) to a top speed of 9 mi/h in 0.5 hr? 2.5 mi/h/s -2.5 mi/h/s 2.5 mi/h2 10 mi/h2