A particle starts from rest at \( t=0 \mathrm{~s} \) and undergoes an acceleration \( a \) in \(...

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A particle starts from rest at \( t=0 \mathrm{~s} \) and undergoes an acceleration \( a \) in \( \mathrm{ms}^{-2} \) with time \( t \) in seconds which is shown in figure. Which one of the following plot represents velocity \( v \) in \( \mathrm{ms}^{-1} \) versus time \( t \) in second?
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