Answer Wiki. An ICBM in ballistic flight constantly changes speed and altitude, so it's incorrect to think of a steady speed or altitude. A two- or three-stage booster burns for a few minutes, and accelerates the payload to a velocity of 6-7 km/sec .
The definition of grammar is the study of the way words are used to make sentences. An example of grammar is how commas and semicolons are supposed to be used. that part of the study of language which deals with the forms and structure of words (morphology), with their customary arrangement in phrases and sentences (syntax), and now often with language sounds (phonology) and word meanings (semantics)
Functional grammar is a linguistic theory that states all constituents, whether affixes, words, phrases, or sentences, have semantic, syntactic, and pragmatic functions.Functional grammarians can classify linguistics as semantic, pragmatic, morphosyntactic, or phonological.he most famous of these is Systemic Functional Grammar, which was first published by British linguist Michael Halliday in 1961. Other functional grammars include Danish Functional Linguistics, lexical functional grammar, and Role and Reference Grammar.