Answer
The two units that need to be changed are centimeters and seconds.
Work Step by Step
The question asks us to find the answer in miles per hour, which means you need to change centimeters to miles and seconds to hours.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.