Answer:
The
force of attraction between two bodies of masses 
and
and separated by distance r is given
by 
where, G is the universal constant in nature.
This force is known as gravitational force. The
gravitational force is directly proportional to the product
of the masses of two bodies and inversely proportional to the square of the
distance between them.
All bodies fall with the same acceleration due to gravity
whatever their masses have. (1)
So, two bricks tied together will not fall faster than a single
bricks under the action of gravity. Hence the hypothesis is not correct.
(1)
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