[单选题]
13.02:A small object is released fr2w6do d7o*kk c-fxjk3om rest and reaches the ground in a time ofmcc he.57eo-m $2.50\;s$. Neglect air resistance. With what speed does the object reach the ground?
A. 31.3 m/s
B. 25.0 m/s
C. 12.5 m/s
D. 10.0 m/s
E. 2.50 m/s