Question

1)

Marian is a sprinter, running short distances on the track team. She wants to find how fast she runs in miles per hour. What units should she start with?
A) feet per second
B) feet per minute
C) miles per minute
D) miles per second

Answer 1

A) feet per second

Explanation:

Since she runs short distances, we will not be measuring miles to begin with.

Short sprints are usually run in a matter of seconds; this means she should measure in feet per second.

Answer 2

a. feet per second because she can measure more accurately.