Medical Definition of coprophilia. : marked interest in excrement; especially : the use of feces or filth for sexual excitement.
A scramjet (supersonic-combustion ramjet) is a ramjet engine in which the airflow through the whole engine remains supersonic. The highest speed attained by a rocket-powered airplane, NASA's X-15 aircraft, was Mach 6.7. The fastest air-breathing, manned vehicle, the SR-71, achieved slightly more than Mach 3. The X-43A more than doubled the top speed of the jet-powered SR-71.
On May 21, 2005 Six Flags Great Adventure introduced Kingda Ka, the tallest, fastest roller coaster on the planet to the public. This $25-million Swiss designed rocket coaster uses hydraulic motors to launch the trains along a horizontal section of track from zero to 128 mph in an impressive 3.5 seconds!