Speed: A dog runs really fast at 37 km/h, Light travels at 300,000,000 m/s., The fastest human ran at an average speed of 27.8 mph, The fastest pitch thrown was 105 mph, Velocity : A train travels North at 103 km/h., A balloon moves vertically upward 5 m/s, A cruise ship sails due east at 21 knots., Acceleration : Runners start slowing down as they get tired, A sailboat moves faster as the wind picks up, A plane taking off from the runway,

Speed, Velocity or Acceleration?

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