How is actual travel speed measured in feet per minute?

To measure actual travel speed in feet per minute, you calculate the distance traveled in feet and then divide that distance by the time taken in minutes. This formula provides a direct measurement of speed, expressing how many feet are covered in one minute. Understanding this method is crucial for various applications, such as determining the proper application rates of pesticides in aquatic weed control, where accurate measurements of travel speed impact the effectiveness of the treatment applied.

The other choices do not accurately represent the measurement of speed in feet per minute. For instance, measuring distance divided by area covered provides information about dispersion or coverage rather than speed. Similarly, dividing distance by time in hours would yield a speed measurement in feet per hour, not per minute. Lastly, multiplying feet traveled by velocity doesn’t appropriately convey the concept of speed measurement; velocity has its own distinct meaning and uses in physics. Thus, the first choice is the one that precisely aligns with the definition of speed as it pertains to the context of the question.