# Speed

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## Speed

1. In mortgage-backed securities, the estimated rate at which homeowners will pay off the underlying mortgages of an MBS. The equivalent of the coupon on a mortgage-backed security is a percentage of the interest and principal paid on the mortgages backing the security. A risk associated with mortgage-backed securities is that too many homeowners will pay off their mortgages with too much speed, depriving the holder of the MBS from future interest payments.
References in periodicals archive ?
Based on your experimental result for the speed of sound compared with the theoretical value at your room temperature, calculate the percentage error.
speed of sound About 760 miles per hour, through air at sea level.
Speed of sound, important as a diagnostic tool, does not enter into the velocity calculation for an ultrasonic meter because the speed of sound component in the gaseous mixture cancels out of the transit-time equation.
A bullet traveling at below the speed of sound makes very little sound as it passes through the air although bullet shape contributes to this sound.
The actual speed of sound varies with a whole bunch of factors such as altitude, temperature and other barometric measurements, but to keep it simple we can say that it is about 1,100 fps at sea level, (As altitude increases, the speed goes down.
At the speed of sound or beyond, the air molecules cannot move out of the way before being overtaken.
Hypersonic transports, which would travel five times the speed of sound, have been crucial to selling the spaceplane program, since we might hope to cover the extremely high development costs and get into mass production if a profitable airliner were a relatively cheap spin-off.
Although not absolute, the speed of sound - Mach 1 - is usually understood as 761 mph.
A team of experts has been analyzing the soundtrack from video footage shot at the exact instant Baumgartner went supersonic and believe they have captured the noise of the first human being breaking the speed of sound, the paper said.
If Superman flies at the speed of sound through 20[degrees]C (68[degrees]F) air, he would be moving at a rate of 342 meters (1,122 feet) per second.
A World War II and Vietnam veteran, Yeager has always considered his combat service his greatest achievement, but for most people he is most noted for being the first pilot to fly faster than the speed of sound.
Speed Of Sound HH This wraps Chris Martin's tender self-doubt in the polished trappings of all-conquering ambient rock toffs.

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