On a racetrack, a car is recorded at the following points: (0.00 s, 0.00 m), (1.00 s, 80.00 m), (2.00 s, 160.00 m), (5.00 s, 0.00 m). The first coordinate is the point in time, while the second coordinate is the car's position from its initial position. Which of the following is the overall velocity of the car for the entire track?