Respuesta :

Answer:

[tex]66 \: ft/sec[/tex]

Step-by-step explanation:

[tex] = \frac{45 \: mi}{hr} \times \frac{5280 \: ft}{1 \: mi} \times \frac{1 \: hr}{3600 \: s} [/tex]

[tex] = 45 \frac{5280}{1} \times \frac{1}{3600}ft/sec \\ [/tex]

[tex] =66 \: ft/sec[/tex]