The speed of a space shuttle orbiting the earth is 17{,}600\,\text{mph}17,600mph17, comma, 600, start text, m, p, h, end text.

The speed of a space shuttle orbiting the earth is 17{,}600\,\text{mph}17,600mph17, comma, 600, start text, m, p, h, end text.
The graph below shows the distance ddd (in thousands of miles) traveled in ttt hours by a weather satellite orbiting the earth.
Which orbits the earth at a greater speed, the space shuttle or the weather satellite?