The narrator of a story is always the same person as the author.
is always part of the narrative.
determines the story's characters and events.
provides information about characters and events

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.