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Classical Mechanics

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New Horizons of Acceleration

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NASA's New Horizons spacecraft flew by Pluto at approximately $17,000\text{ m/s}$. If the spacecraft were to stop and orbit Pluto instead, its velocity would have had to decrease to essentially zero.

If acceleration occurred for $1\text{ year}$, what would the needed magnitude of acceleration be?

A

$-5.4 \times 10^{-4} \text{ m/s}^2$

B

$1800\text{ m/s}^2$

C

$-1800\text{ m/s}^2$

D

$0.017\text{ m/s}^2$