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The New Zealand Railways Magazine, Volume 8, Issue 3 (July 1, 1933)

How Fast Are We Travelling?

How Fast Are We Travelling?

Here is an easy way to tell. Borrow a watch with a second-hand and time how long it takes to go between each little mile post by the side of the railway track. Divide the number of seconds it takes into 3,600 seconds (which equals one hour). For instance, if the train takes 90 seconds to go between each one-mile post it will be travelling 40 miles per hour.

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