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If the velocity of the particle varies with respect to time $t$ and is given as $v_{x}(t)=10t?2t_{2}+3(m/s)$, find the instantaneous acceleration at $t=2s$ ? a. $15m/s_{2}$ b. $?8m/s_{2}$ c $_{2m/s_{2}}$ $d_{6m/s_{2}}$

GIVEN:vx(t)=10t?2t2+3TO FIND