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.
This informal folk music became formalised into Ragtime by composers like Harney and Joplin who played the music to large audiences and published it so that its popularity spread across the country. A Brief History of Ragtime