The driver of a car slams on the brakes, causing the car to slow down at a rate of 21.0ft/s^2 as the car skids 219ft to stop. How long does the car take to stop?

The driver of a car slams on the brakes causing the car to slow down at a rate of 210fts2 as the car skids 219ft to stop How long does the car take to stop class=