How do you find the distance an object travels in a velocity time graph?
Find the area under the line.
What does the gradient of a velocity time graph tell you?
The acceleration of the object.
What does the gradient of a distance time graph tell you?
The speed of the object.
What could be changed about the design of a car to make it go faster?
It could be made more streamlined. It could have a larger engine. It could have thinner wheels (less friction).