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.
Future aircraft may take-off like and airplane, enter a low earth orbit like a spacecraft, then re-enter the atmosphere and land on the other side of the earth, less than two hours later. There are a great variety of commercial aircraft, so flying speeds differ. Most commercial passenger jet airliners cruise at about 480 - 560 miles per hour. The cruise speed for each aircraft may vary, depending upon the power setting the crew elects to use. If the aircraft is running late, the crew could use a higher power setting, resulting in a faster cruise speed, but would burn more fuel.