Well 1,600/160= 10 so it will take 10 seconds to reach the ground not taking in any variables such as wind carrying it to the side and suspending in the air any longer so =10 seconds
Median age is the age that divides a population into two numerically equally sized groups - that is, half the people are younger than this age and half are older. It is a single index that summarizes the age distribution of a population.