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Explanation:
initial velocity (u) = 22 m/s
Final velocity = ?
acceleration = 7.3 m/s^2
time = 6.8 sec
Now,
acceleration = final velocity- intial velocity/time taken
7.3 = v-u/t
7.3= v-22/6.8
7.3×6.8= v-22
49.64=v-22
49.64+22 =v
v= 71.64 m/s