Hello!
The answer should be the second option B.
Acceleration is a rate of change in velocity. It involves a change in speed and direction. Change of velocity over a period of time.
Acceleration formula
↓↓↓↓↓↓↓
A=Δv/t
Hope this helps!
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-Charlie
The correct answer is B)
I hope this helps.
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300 is 10 times as much as 30.
because if you do 30 x 10 you get 300