The graph shows the data for the time it takes Jerome to bike to school, based on his average biking speed for that trip. Which sentence describes the association? A. As the average speed increases, so does the time he takes to get to school. B. As the average speed increases, the time he takes to get to school decreases.
C. The speed he bikes at does not affect the time it takes him to get to school. D. The speed he bikes at affects the time it take him to get to school, but it is unclear if the time increases or decreases.