# Spotting a police car, you brake a parsche from a speed of 100kmh−1 to a speed of 80.0 kmh −1 during a displacement of 88.0m, at a constant acceleration. What is the acceleration?

Question : Spotting a police car, you brake a parsche from a speed of 100kmh −1
to a speed of 80.0 kmh−1 during a displacement of 88.0m, at a constant acceleration. What is the acceleration?

(A) $-2.5ms^{-2}$

(B) $1.58ms^{-2}$

(C) $-1.58ms^{-2}$

(D) $2.5ms^{-2}$