select an appropriate unit from the choices below and connect the rate to that unit.

answer a - ft /s
answer b - mph
answer c - mm/s
answer d - km/s

question : A car traveling at 36 ft/s

To connect the rate of a car traveling at 36 ft/s to an appropriate unit, we need to determine which of the given options is most suitable.

First, let's understand the units available:

a) ft/s (feet per second)
b) mph (miles per hour)
c) mm/s (millimeters per second)
d) km/s (kilometers per second)

Since the rate of the car is given in feet per second, the most appropriate unit to connect to the rate would be in ft/s (answer a).