This is at 20 degrees Celsius, so it's a nice comfortable temperature at sea level, which is roughly about 760 miles per hour. Now if the temperature were to drop, so if temperature goes down, so does the speed of sound. And likewise, if the temperature goes up, the speed of sound goes up.
One single company won more than three-quarters of these funds, however, in a single contract win: Hellfire Systems. Hellfire, as we've discussed in the past, is the wholly owned Lockheed Martin (NYSE:LMT) subsidiary that manufactures Hellfire air-to-ground missiles for the military.
A 1939 Peterbilt 334 truck, from Peterbilt's first year of production Peterbilt Motors Company, founded in 1939, is an American manufacturer of medium- and heavy-duty trucks. A subsidiary of Paccar, which also owns fellow heavy-duty truck manufacturer Kenworth. Peterbilt Motors is headquartered in Denton, Texas and operates manufacturing facilities in Denton, Texas and Sainte-ThÃ©rÃ¨se, Quebec