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.
African American composer and pianist; the best-known composer of ragtime music. Between 1895 and 1915, he composed many of the classics of the ragtime repertoire. and helped popularize the style through his piano arrangements, published as sheet music. His first successful piece was Maple Leaf Rag (1898).