Projectile dropped from airplane
A rescue plane flies at \( 198 \mathrm{~km} / \mathrm{h}(55.0 \mathrm{~m} / \mathrm{s}) \) and constant height \( h 500 \mathrm{~m} \) toward a point directly over a victim, where a rescue capsule is to land.
(a) What should be the angle phi of the pilot's line of sight to the victim when the capsule release is made?