A Distracted Driver Going Along a Parkway at Constant Speed

Multiple Choice

A distracted driver going along a parkway at constant speed of 14 m/s passes a police car parked at the sidelines. If the police car takes 4.0 s to take off and chases the distracted driver accelerating at a rate of 2.0 m/s², how long until it catches with the distracted driver's car?

A) 28 s
B) 21 s
C) 7.0 s
D) 110 s
E) 56 s