A measurement establishes the position of a proton with an accuracy of 1.00 í10-11 m.The uncertainty in the proton’s position 1.00 s later is（）

A measurement establishes the position of a proton with an accuracy of 1.00 í10-11 m.The uncertainty in the proton’s position 1.00 s later is（）
A.3.15 km
B.578 nm
C.93.6 mm
D.4.26 m
正确答案：3.15 km