1 Even though the name of the archangel is not mentioned in 1 Thessalonians, Jude 9 makes reference to Michael the archangel.. 2  Even Billy Graham wrote in his book  Angels: Godâs Secret Agents , He [Michael] must stand alone, because the Bible never speaks of archangels, only the archangel..
Sonic booms generate enormous amounts of sound energy, sounding much like an explosion; typically the shock front may approach 100 megawatts per square meter, and may exceed 200 decibels. 10 log (100 x 10^(6)/ 10^(-12)) = 200 dB.
'For example 20kts (approx. 23mph) in a straight line and 10kts (approx. 11.5 mph) in a turn in dry conditions.'. When an aircraft exceeds 768mph, it 'breaks' the sound barrier and creates a sonic boom, disrupting life in populated areas below.