The Texas Motor Speedway in Fort Worth is 1.5 miles long and often sees qualifying speeds of 192 miles per hour. Suppose a race is 500 laps, and the driver maintains a constant speed throughout the race. If the y-intercept is 750 miles and the x-intercept is 234 minutes, what is the meaning of the slope -3.2? A The car drives at 32 miles per hour.
B The car drives at 3.2 miles per hour.
C The car drives at 3.2 miles per minute. D The car drives at 0.32 miles per second.