Published on: April 2, 2013. NASA X-43A uses a drop launch method: it is lifted into the air by a larger aircraft and then dropped. The initial energy for propulsion is provided by a booster rocket, which is discarded when the aircraft reaches its target altitude and speed. From that moment, the X-43A is powered by its own jet engine.
Wiktionary(0.00 / 0 votes)Rate this definition: ragtime(Noun) A musical form, predating jazz, characterized by a specific type of syncopation in which melodic accents occur between metrical beats. ragtime(Noun) A piece of music in this style.
1 Scott Joplin â Perhaps the most famous composer of ragtime music, Joplin composed two highly popular pieces, âThe Entertainerâ and âMaple Leaf Rag.â. 2  Jelly Roll Morton â A prolific performer and outspoken personality, Morton made many recordings and his music is regarded as a bridge between ragtime and early jazz.