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Jane, Jenny, Julia and Jelly raced to reach the rooftop of a 3-storey building. The time it took them to reach the top is tallied below: Jane : 1 minute Jenny: 55 seconds Julia : 2 minutes Jelly : 49 seconds, Assuming that the girls have the same weight, which of the following had the LEAST power?
A.Jenny
B. Jelly
C. Julia
D. Jane​