Is the expansion of the universe accelerating, coasting, or decelerating?

Can someone explain to me how to do this problem ?

The graph represents the distance a car travels over time while on the highway. which statement about the car's trip is accurate? a) the car does not move over time. b) the car travels at a constant velocity. c) the car's velocity increases constantly over time. d) the car's velocity decreases constantly over time.

70 give a real life example showing how sensory neurons work with the motor neurons