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 = 
, t = 4
A. v = - 
ft/s, a = 
ft/s2
B. v = - 
ft/s, a = 
ft/s2
C. v = 
ft/s, a = - 
ft/s2
D. v = 
ft/s, a = - 
ft/s2
Answer: B
Mathematics
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