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Distilled water = 1489 m/sec

Sea Water = 1531 m/sec (higher because it is denser)

Ash, along the fiber = 4670 m/sec

Ash, across the rings = 1390 m/sec

Beech, along the fiber = 3340 m/sec

Elm, along the fiber = 4120 m/sec

Maple, along the fiber = 4110 m/sec

Oak, along the fiber = 3950 m/sec

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