Chris Johnson ran the 40- yard dash in 4.24 seconds then the rate of speed is 9.43 yards per second and this will be determined by using the formula of the rate of speed.
Given :
Chris Johnson ran the 40- yard dash in 4.24 seconds.
The rate of speed is defined as the ratio of the distance to the time. So, it is given that Chris Johnson ran the 40- yard dash in 4.24 seconds it means that:
Distance = 40 yard
Time = 4.24 seconds
The rate of speed of Chris Johnson is given by:
[tex]\dfrac{s}{t}= \dfrac{40}{4.24}[/tex]
[tex]\rm \dfrac{s}{t}=9.43\;yards \;per\;second[/tex]
Chris Johnson ran the 40- yard dash in 4.24 seconds then the rate of speed is 9.43 yards per second.
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https://brainly.com/question/24041411
