s is the distance (in ft) traveled in time t (in s) by a particle. Find the velocity and acceleration at the given time.s = 7t3 + 5t2 + 9t + 2, t = 1
A. v = 11 ft/s, a = 31 ft/s2
B. v = 31 ft/s, a = 11 ft/s2
C. v = 52 ft/s, a = 40 ft/s2
D. v = 40 ft/s, a = 52 ft/s2
Answer: D
Mathematics
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