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Approaching Train Is Surprisingly Tense And Extremely Exciting
Category:
Video
|
12 Sep, 2016 |
Views: 4770
|
+39
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№1
Author:
kryptor
(12 Sep 2016 05:03) Total user comments:
4840
Status:
Activity rewards:
+14
The slight boom you hear at around 9 secs. is the shockwave from the high speed train entering the 4.78 mile (7700 meter) long tunnel. It exits the tunnel 70 seconds later.
Basic math calculates the speed to be around 247 mph (400 kmh). Roughly.
So, yeah ... pretty neat stuff.
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