A person standing at the edge of a cliff throws a rock straight upward at a speed of 16.8 m/s. How far below the height (m) from which it was thrown from will the rock be when it has a downward velocity of 24.9 m/s?
a. 8.10
b. 1.29
c. 13.6
d. 11.9
e. 22.4
f. 0.827
g. 3.35
h. 20.6
i. 17.2
j. 6.70
