Which equation would you use to find the acceleration of an automobile whose speed decreases from 48 m/s to 4 m/s in 11 se (Mark the one best answer.) O (48 m/s-4 m/s) / 11 s= 4 m/s2 O (48 m/s + 4 m/s) / 11 s=4.7 m/s2 O (4 m/s - 48 m/s) = - 44 m/s O (4 m/s-48 m/s) / 11 s=-4 m/s2 9 10 11 12 13