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.
Considered the first completely American music, ragtime was popular towards the end of the 19th century and into the first two decades of the 20th century, roughly 1893 to 1917. It is the style of music that preceded jazz. Musical Characteristics. Structured in a way similar to the march, ragtimeâs use of syncopation is largely what distinguished it. Its rhythms made it lively and springy, and therefore ideal for dancing.