As a runaway scientific balloon ascends at 19.6 m/s, one of its instrument packages breaks free of a harness and free-falls. The figure below gives the vertical velocity of the package versus time, from before it breaks free to when it reaches the ground.
(a) What maximum height above the break-free point does it rise?
(b) How high is the break-free point above the ground?
The Attempt at a Solution
i know part A is 19.6 m
i just can't seem to get the correct answer for part B
these are the variables that i have and i think i'll need
i used this kinematic equation
but the answer still isn't correct