a cataract
Waterfall rail accident happened on 2003-01-31.
Rapid Racer happened in 1997.
Rapid Reload happened in 1995.
The RAD model, also known as the Rapid Application Development, is a linear software for creating prototypes. The Waterfall model is a sequential software.
* When it's in a waterfall. * In a rapid river
A salmon jumping up a waterfall : Apex
Very swift or quick; moving with celerity; fast; as, a rapid stream; a rapid flight; a rapid motion., Advancing with haste or speed; speedy in progression; in quick sequence; as, rapid growth; rapid improvement; rapid recurrence; rapid succession., Quick in execution; as, a rapid penman., The part of a river where the current moves with great swiftness, but without actual waterfall or cascade; -- usually in the plural; as, the Lachine rapids in the St. Lawrence.
A salmon jumping up a waterfall
because it did happen
basic concept is if team is new then use rapid prototyping model.if team is very much experience then use waterfall model .if you know any thing about the project then use waterfall model ..
A salmon jumping up a waterfall