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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §2.2 Powers and Polynomials, #18 · Calculus · Derivatives

When … is in feet and … is in seconds, what are…

When $f$ is in feet and $t$ is in seconds, what are the units of $f^{'}$ and its derivative $f^{''}$ ? In $f = 16 t - 16 t^{2}$ , the first $16$ is ft/sec but the second $16$ is ______.

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §2.2 Powers and Polynomials, #18

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