$1.$ A $3\mathrm{.}00$ kg box sits in a train moving at a constant velocity along the $+$x direction. The train started to decelerate at a rate of $4\mathrm{.}00$ m$/$sec$2.$ If the static friction coefficient between the box and the train floor is s $=0\mathrm{.}200$ and the kinetic friction coefficient is k $=0\mathrm{.}150,$ the box would A$.$ Remain sitting on the train floor without moving B$.$ Move along the $+$x direction relative to the train floor at a uniform speed of $2\mathrm{.}53$ m$/$sec C$.$ Accelerate relative to the train floor along the $+$x direction at a rate of $+7\mathrm{.}59$ m$/$sec$2$ D$.$ Move along the $$x direction at a uniform speed of $7\mathrm{.}59$ m$/$sec E$.$ Accelerate relative to the train floor along the $+$x direction at a rate of $+2\mathrm{.}53$ m$/$sec$2$