The distance, y, in miles, traveled by a car in a certain amount of time, x, in hours, is shown in the graph below: Which of the following best describes the motion of the car shown?

It travels for 1 hour, then stops for 1 hour, and finally travels again for 3 hours.
It travels for 2 hours, then stops for 1 hour, and finally travels again for 2 hours.
It travels for 1 hour, then stops for 2 hours, and finally travels again for 5 hours.
It travels for 2 hours, then stops for 3 hours, and finally travels again for 5 hours.