Answer:
B: 57 mph=57 mph
Explanation:
A steady pace means constant speed that it does not change over a period of time and direction of motion. A simple formula, for this case (constant speed)
![v= (x - xo)/(t -to)](https://img.qammunity.org/2020/formulas/mathematics/high-school/b7lungkht9nov0w5flrwuk5kem1bmdfo0k.png)
where x is distance and t time. The subtract is final value minus initial value
We have the distance and time, then