## Essential University Physics: Volume 1 (3rd Edition)

We know that the acceleration of the elevator is equal to g: As $a=\frac{v}{t}$ This can be rearranged as $t=\frac{v}{a}$ $t=\frac{v}{g}$ because $a=g$ $t=\frac{5.2}{9.8}=0.53s$