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Homework Statement
The altitude of the space shuttle during the first 30 s of its ascent is described by the expression у = bt2, where the constant b has the value 2.9 m/s2. Using calculus, obtain an expression for the velocity and acceleration of the space shuttle during this period.
The Attempt at a Solution
y' = 2bt
y'' = 2b
Book is giving me the following for answers:
y' = bt
y'' = b
Am I doing something wrong?