Natural Walking Speed
All animals, including humans, have a natural walking speed. One leg‑swing cycle represents a complete forward‑and‑backward movement. If the leg length is 98 cm, it is possible to calculate the time required for the displacement of a single swing movement (a pair of steps), assuming a step length of 75 cm. The step length can be measured while walking, or it may be derived from footprints left on the ground. In this way, the walking speed of dinosaurs can be determined retrospectively – and not only that of dinosaurs, but of any animal for which footprints have been preserved.
We understand that distance and speed are both linked to the concept of time. Length can be measured with a simple tape measure, and distance can be expressed in units such as kilometres or miles. Through calculation we can reach a deeper understanding of time than by merely observing a clock. The same principle applies to products and phenomena in general: they all follow the same temporal laws.
Physical Pendulum
T = 2 x Pi x SQRT ( 2 L / 3 g)
T = 2 x Pi x SQRT ( 2 x 0.98 / 3 x 9.8)
T = 1.62 sec The Golden Ratio 1.618
T = Time sec g = 9.8 m/s2 L = 0.98 m Pi = 3.14...
Walking Speed
v = S / T
v = 1.50 m / 1.62 sec = 0.80 m/s = 3.3 km/h
v = Velocity m/sec S = Length of one period
Many people claim to walk six kilometres per hour. They may manage it for a short while, but not for long. The reason is that a natural proportionality exists between leg length and gravity, which determines the characteristic walking speed of each species.
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