You are $25$m behind a police car. You are moving at $31$m$/$s and so is the police car. The police car starts to brake at $5$ m$/$s$2.$ However, you are distracted, and it takes you $2\mathrm{.}4$sec to start braking. When you do brake, you also brake at $5$ m$/$s$2.$ What is the speed that you will hit the

police car?