If I'm moving very fast with respect to you, I see your watch running slow, and you see my watch running slow.
So the first paragraph is true, if it's talking about your view - the world around you changes shape, and time outside moves slower, as seen by you.
The second paragraph is true, as seen from Earth, not from the boats.
If I'm moving very fast with respect to you, I see your watch running slow, and you see my watch running slow.
So the first paragraph is true, if it's talking about your view - the world around you changes shape, and time outside moves slower, as seen by you.
The second paragraph is true, as seen from Earth, not from the boats.