Answer :

To solve the question of calculating the rate in miles per hour, let’s break down the problem step by step.

1. Identify the given values:
- We need to multiply `63756` by `60`.
- We need to multiply `70` by `5280`.

2. Calculate the numerator:
- Multiply `63756` by `60`:
[tex]\[ 63756 \times 60 = 3825360 \][/tex]

3. Calculate the denominator:
- Multiply `70` by `5280`:
[tex]\[ 70 \times 5280 = 369600 \][/tex]

4. Calculate the result by dividing the numerator by the denominator:
- Divide `3825360` by `369600`:
[tex]\[ \frac{3825360}{369600} = 10.35 \][/tex]

Therefore, the final result is:
[tex]\[ 10.35 \text{ miles per hour} \][/tex]