Signs of Lyme disease include skin rash and painful inflammation of joints (particularly the knees), accompanied by flu-like symptoms. The symptoms of Lyme disease increase in severity as the disease spreads though the body. Early diagnosis and treatment are important to stop the progression of the disease. If untreated, the disease can result in neurological disorders such as peripheral neuropathy, including Bellâs palsy, as well as pain, numbness or weakness in the limbs.
Rating Newest Oldest. Best Answer: Commercial airliners travel slower than the speed of sound and usually cruise between 500 and 600 mph. The fastest planes can travel at greater than Mach III, 3 times the speed of sound which is about 770 mph, so faster than 2200 mph.
exists and is an alternate of . Commercial airlines cruise at approximately 500 - 600 mph. (804.672 kilometre/hour) Additional InformationFighter jet aircraft fly at speeds in the low mach numbers. Mach one is roughly 750 miles per hour, give or take, and military jets can fly at well over a thousand miles per hour. Back in the day (July of 1976), the SR-71 set the jet speed record.