[单选题]
What is the wavelength of the md-7ig. 9w b fq,zkpb9tb i5dl yx*(*bratter wave associated with a ball fw.o) fx (-drlof mass 0.50 kg moving )l .dox(-wffr with a speed of 25 m/s?
A. $3.5 \times 10^{-35} \; m$
B. $5.3 \times 10^{-35} \; m$
C. $3.5 \times 10^{-33} \; m$
D. $5.3 \times 10^{-33} \; m$
