Callum Jones
When on a flight, heading towards your summer vacation or work trip, the last thing on your mind is how fast the plane is going - unless you're a nervous flyer and can't wait to be on the ground again.
From thinking twice about whether you've remembered to pack your passport or trying to get some sleep next to that crying baby, when you're flying there is a lot on the cards.
Rarely does the conversation turn to how quick the plane is flying. That is until now, as it's recently been discussed on social media and people can't get their heads around it. Also, if you are the nervous flyer type, sorry in advance.
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In a video shared to X, formerly known as Twitter, people have been left mind-blown after seeing a plane jetting through the sky.
Take a look:
When you are in the comfy space of a plane, you can never really assess how fast you're actually flying.
Even if you're an onlooker from the ground, it can be really tricky to understand the speed of an aircraft.
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Well, planes typically go at around 600mph - imagine going at them speeds in a car? Truly frightening.
The video uploaded to X has shown just how quickly a passenger jet actually moves when we're not looking at it from a great distance.
There is actually a name for the effect which makes us feel as though planes are taking their sweet time as they travel from one side of the globe to the other.
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It's called the Motion Parallax, and is based on how quickly an object moves through our field of vision.
If we go back to the car example again, such as a vehicle driving very fast on the motorway appears to be faster than a plane up in the sky, which lingers in our field of vision for much longer.
But this video - captured by another plane - bypasses the Motion Parallax and shows just how quick planes really are. And to be honest, it's jaw-dropping.
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While that seems extremely fast, the new 'Son of Concorde' could soon take you from New York to London in just 90 minutes.
Yes, you read that right! You could actually take off from the runways of the Big Smoke and land on the tarmac in the Big Apple within an hour and a half.
By using a 'supersonic pump', engineers working on NASA's X-59 passenger plane hope to transport travellers faster than the speed of sound.
In fact, they're hoping that the new aircraft will fly almost twice as fast as Concorde.
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According to the space agency, the plane has now been moved from Lockheed Martin Skunk Works in California - where it was being worked on - for its maiden voyage.