Air flows steadily through a variable area pipe with a velocity of (mathbf{V}=u(x) hat{mathbf{i}} mathrm{ft} / mathrm{s}),

Question:

Air flows steadily through a variable area pipe with a velocity of $\mathbf{V}=u(x) \hat{\mathbf{i}} \mathrm{ft} / \mathrm{s}$, where the approximate measured values of $u(x)$ are given in the table. Plot the acceleration as a function of $x$ for $0 \leq x \leq 12$ in. Plot the acceleration if the flowrate is increased by a factor of $N$ (i.e., the values of $u$ are increased by a factor of $N$ ) for $N=2,4,10$.

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