In Virginia: Anthem Health Plans of Virginia, Inc. trades as Anthem Blue Cross and Blue Shield in Virginia, and its service area is all of Virginia except for the City of Fairfax, the Town of Vienna, and the area east of State Route 123.
For example, at sea level in a standard atmosphere, at a temperaturâ¦e of 59-degrees Fahrenheit (15 Celsius), sound travels 761 miles per hour (1,225 km/p/h). At a temperature of 32-degrees Fahrenheit (0 Celsius) the speed of sound drops to 742 mph (1,194 km/p/h).
37k shares. What's more, the flight was reported to have flown at speeds of 745mph relative to ground speed. The speed of sound at sea level is 761mph. Several flights are reported to have made the journey from New York to London yesterday in around five hours 20 minutes due to the 200mph North Atlantic jet stream. How the stats measure up for the supersonic flying BA jet from New York to London Heathrow.