Please answer this question based on the video below.

A child is playing with two toy cars. The blue one is spring-loaded (so it accelerates) and the red one is battery-powered (so it travels at a constant speed). The blue 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 red toy car traveling at a constant speed passed the first car the moment it started moving (at ). The blue car passed the second car 5 seconds later.

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How do the average speeds of the two cars over the first five seconds of their trip compare?
The red car’s average speed is greater The blue car’s average speed is greater Sometimes the red car’s average speed is greater, sometimes the blue car’s is The cars’ average speeds are equal It is not possible to tell