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A car travels along a circular path of radius 300 ft, and its speed for a short period of time 0<t<5s is v= 3(t+t^2)ft/s, where t is in seconds. Determine the magnitude of its acceleration when t = 5 s.
42.46 ft/s2
O 42.64 ft/s²
O 44.26 ft/s²
O 44.62 ft/s2

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