\
A circle is
radians or
around.
Now we have to find the equivalent of 1 min in terms of radians.
\
radians
radians.
radians
radians.
\
Radius of the Earth is
miles.
Linear speed
of the object is
, where
is the distance travelled in time
.
Consider
.
Substitute
and
in above formula.

Therefore, 1 nautical mile = 1.15 mile.
\\
1 nautical mile = 1.15 mile.