CPM Homework Help : CALC Problem 3-90

The graph below shows the distance from a fixed point traveled by a toy car. Use the graph to sketch the velocity of the car.

Hint 1:

Is the velocity graph going to have positive $y$ -values, negative $y$ -values or both?

Hint 2:

As $x$ increases, does the velocity increase or decrease?

Hint 3:

Does the velocity ever reach $0$ ?