The table shows how far a distance runner has traveled since the race began. What is her average rate of change, in miles per hour, during the interval 0 point 7 5 to 1 point 0 0 hours? Time Elapsed (Hours) Miles Traveled (Miles) 0 point 5 0 2 point 0 0 0 point 7 5 3 point 5 0 1 point 0 0 4 point 7 5