A 1998 Lexus LS400 has a drag coefficient of 0.28 and a reference area of 2.4 m2. Determine the horsepower required to overcome drag when driving at 30 m/s (which is approx. 67 mph) at sea level. a) on a summer day T ~ 300K (which is approx. 800F); b) on a very cold winter day T ~ 250K (which is approx. -100F) . Hints: Use the SI units, air