Abby was participating in the egg drop challenge. She dropped her egg from the 2nd floor of building 2 which is a height of 20 feet. We can use the function f(t)=-36t^2 20 to represent the drop of the egg. Approximate to the nearest hundredth how long it takes for her to drop the egg from the 2nd floor. It will take Abby _____ seconds to drop the egg from the 2nd floor of building 2.