A relief helicopter flies level at $20\ \text{m/s}$, $80\ \text{m}$ above a flooded field, as the figure shows. It drops a food packet. Ignoring the air, where does the packet land? Take $g = 9.8\ \text{m/s}^2$.

Fig. 1: A helicopter flying at 20 m/s, 80 m above a flooded field, just after dropping a packet.