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A stone is thrown vertically over the edge of a cliff that is $50\text{ m}$ high. It strikes the ground at the bottom of the cliff $2.0\text{ seconds}$ later.

Which of the following values indicates the speed and direction (up or down) it was thrown?

A

$0.00\text{ m/s}$ (it was dropped)

B

$15 \text{ m/s}$ down

C

$35\text{ m/s}$ up

D

$35\text{ m/s}$ down

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