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.
1 Answer. , Know a bit about weapons. Russian supercavitating torpedo VA 111 shkval is the fastest of all.it gains its high speed by forming a bubble of gas around it thus diminishing its contact with water as a result the drag is reduced to a great extent.it can reach speed of upto 370km/hour.