Construct forces Fi and F, in magnitude and direction, with the tails of the vectors at point Z.
Complete a PARALLELOGRAM with and​

Ahot-air balloon takes off from the ground traveling vertically with a constant upward acceleration of magnitude g/4. after time interval δt, a crew member releases a ballast sandbag from the basket attached to the balloon. how many seconds does it take the sandbag to reach the ground? (express your answer in terms of δt)