Western Washington University   College of Sciences and Technology   Physics/Astronomy Dept.   Bellingham, WA USA
How Big is Big?
The rate of change of the speed or direction of a body.
Mass   Velocity   Acceleration   Momentum   Radius   Density
flea (jumping) 1,960 m/s2
cheetah 7.8 m/s2
football tackle (full speed) 390 m/s2
car crash (high speed) 6,860 m/s2
44 magnum bullet 3.05 x 105 m/s2
car (rolling start) .7 m/s2
Space Shuttle launch 29.4 m/s2
Earth (surface gravity) 9.8 m/s2
Moon (surface gravity) 1.62 m/s2
Sun (surface gravity) 274 m/s2