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)
Definition of Syntax. Syntax is the arrangement of words into a sentence that make sense in a given language. Syntax also refers to the rules and principles that govern sentence structure in a language, i.e., how words and phrases may be joined. Syntax therefore is not a strictly literary device, but instead is part of every utterance and written line, and even the majority of thoughts.