During traffic changes, a car moves when the light turns green and travels 0 . 8 3 2 0 . 8 3 2 s in

During traffic changes, a car moves when the light turns green and travels $0\mathrm{.}832$ s in $5\mathrm{.}2$ m$/$s$.$

It reaches a speed of 7 m$/$s$.$ How much push and average pressure should you give to a $70$ kg passenger inside the car? What does force act on$?$