Which of the following choices is correct about the information shown on the graph below?
A graph is shown with time in seconds from 0 to 20 marked in multiples of 5 as the horizontal axis and speed in miles per hour from 0 to 60 marked in multiples of 5 as the vertical axis. A smooth parabolic curve passes through the origin, reaches a maximum height of 60 miles per hour at around 10 seconds, then crosses the horizontal axis at 20.