The work is been stored in the form of potential energy
The lesser time took to do the work , greater the power will be
Power is the time rate of doing work or delivering energy  expressible as the amount of work done divided by the time interval
Since , load of brick is being taken and lifted to the second floor , which mean that work is done and that work is been stored in the form of potential energy .
as Power = energy / time
the lesser time took to do the work , greater the power will be (as power and time are inversely proportional to each other )
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