Acceleration, a = alpha/(u + v)
-21 dx = v(v + 0.8)
-21x = [(v^3/3) + 0.8(v^2/2)] lim(0 > 27)
21x = - [(27^3/3) + 0.8(27^2/2)]
-21x = - 6852.6
X = 326.31 m
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