Please answer this question based on the video.
A child is playing with two toy cars. One is spring-loaded (so it accelerates) and the other is battery-powered (so it travels at a constant speed, which you can set with a knob). The first toy car begins moving from rest. The distance d (in inches) of the car from its starting position t seconds since the car started moving is given by the formula . The second toy car traveling at a constant speed passed the first car the moment it started moving (at ). The first car passed the second car 5 seconds later.