The velocity of a particle moving on the \( x \)-axis is given by \( v=x^{2}+x \) where \( v \) ...

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The velocity of a particle moving on the \( x \)-axis is given by \( v=x^{2}+x \) where \( v \) is in \( \mathrm{m} / \mathrm{s} \) and \( x \) is in \( m \). Find its acceleration in \( \mathrm{m} / \mathrm{s}^{2} \) when passing through the point \( x=2 \mathrm{~m} \) :
(A) 0
(B) 5
(C) 11
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