At a stop light a truck traveling at 15 ms passes a car as

Question

Problem: At a stop light, a truck traveling at 15 m/s passes a car as it starts from rest. The truck travels at constant velocity and the car accelerates at 3 m/s².

Part A: How much time does the car take to catch up to the truck?

I need help to find how much time the car takes to catch up to the truck.