The distance traveled by a falling object is directly proportional to the square of the time it takes to fall that far. if the object falls 100 feet in 2.5 seconds, how far does it fall in 5 seconds?

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.