EXPLANATION
Given that we have the rate of 17cm/min we can apply the unitary method in order to get the number of feet per hour as shown as follows:
[tex]?\frac{feet}{\text{hour}}=17\frac{\operatorname{cm}}{\min}\cdot\frac{60\min}{1\text{ hour}}\cdot\frac{1\text{ f}eet}{30.48\operatorname{cm}}[/tex]Simplifying:
[tex]=17\frac{\operatorname{cm}}{\min}\cdot\frac{60\min}{1\text{ hour}}\cdot\frac{1\text{ f}eet}{30.48\operatorname{cm}}=33.46\frac{feet}{\text{hour}}[/tex]Hence, the solution is 33.46 feet/hour
