$18)$ An object starts from rest at time t $=0\mathrm{.}00$ s and moves in the tx direction with constantacceleration. The object travels $12\mathrm{.}0$ m from time t $=1\mathrm{.}00$ s to time t $=2\mathrm{.}00$ s$.$ What is theacceleration of the object?A$)24\mathrm{.}0$ m$/$s$2$B$)-4\mathrm{.}00$m$/$s$2$C$)-12\mathrm{.}0$m$/$s$2$D$)4\mathrm{.}00$ m$/$s$2$E$)8\mathrm{.}00$ m$/$s$2$