BALLISTICS
ballistics
(noun) the science of flight dynamics
ballistics, ballistic trajectory
(noun) the trajectory of an object in free flight
Source: WordNet® 3.1
Etymology
Noun
ballistics (uncountable)
(physics) The science of objects that predominantly fly under the effects of gravity, momentum and atmospheric drag, and dealing with details of their behaviour at the origin and destination of their flight, as of bullets or missiles or rockets.
Source: Wiktionary
Bal*lis"tics, n. Etym: [Cf. F. balistique. See Ballista.]
Definition: The science or art of hurling missile weapons by the use of an
engine. Whewell.
Source: Webster’s Unabridged Dictionary 1913 Edition