2. Your credit score. Different people can be eligible for different interest rates. When you apply for a credit card, the credit card company checks your credit score to see if you are a good credit risk, and if your score is good, youâll be eligible for the best (lowest) interest rates.f you do not pay your credit bills on time, your credit card company can (and usually will) increase your interest rate. The amount that it gets increased depends on the individual situation, but it can be quite a lot.
hypersonic: Of, relating to, or capable of speed equal to or exceeding five times the speed of sound.
Aerodynamics is a sub-field of fluid dynamics and gas dynamics, and many aspects of aerodynamics theory are common to these fields. The term aerodynamics is often used synonymously with gas dynamics, with the difference being that gas dynamics applies to the study of the motion of all gases, not limited to air.n aerodynamics, hypersonic speeds are speeds that are highly supersonic. In the 1970s, the term generally came to refer to speeds of Mach 5 (5 times the speed of sound) and above. The hypersonic regime is a subset of the supersonic regime.