What is the two-step procedure that congress follows when appropriating money

In law and government, appropriation is the act of setting apart something for its application to a particular usage, to the exclusion of all other uses. The two-step procedure that Congress follows when appropriating money would that, first, an authorization bill and, second, an appropriations bill. 

Kinetic energy = 1/2mv^2. since the mass is constant we can form a ratio of it's kinetic energy at 60 divided by that at 30 to see ke(60)/ke(30) = +(60^2)/30^2). this may be said to 300% increase.