Physically Based Animation - Computer Animation: Algorithms and Techniques - page 210

Acceleration

Velocity 0

Position 0

Initial conditions

Velocity 0

Position 1

Average velocity in
first time period

Acceleration

Velocity 1

Position 0

First time period

Position 2

Position 1

Velocity 1

Average velocity in
second time period

Acceleration

Velocity 2

Second time period

FIGURE 7.7
Modeling of a point's position at discrete time intervals (vector lengths are for illustrative purposes and are not
accurate).

200
175
150
125
100
75
50
25

100 200 300 400 500 600

Distance

FIGURE 7.8
Path of a particle in the simple example from the text.