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si v = 2 pie/ s y t = 9 min

a)
t = 1.26 s a= 3.32 m/s2
b)
t = 1.56 s a= 3.02 m/s2
c)
t = 1.46 s a= 3.42 m/s2
d)
t = 1.66 s a= 3.52 m/s2