When the average kinetic energy of the molecules goes up (a rise in temperature), the average speed of the molecules increases. And lower average kinetic energy of the molecules means they have lower speed. However, a change in average kinetic energy is not directly proportional to a change in average speed. 1.
An appreciation means an increase in the value of a currency. It means a currency is worth more in terms of foreign currency.
Edit Article. The time value of money is the value of money figuring in a given amount of interest earned over a given amount of time.For example, 100 dollars of today's money invested for one year and earning 5 percent interest will be worth 105 dollars after one year.