[单选题]
If it takes 50 m to stop a car initially moving at 25 m/;/t:oh bzls;ws, what distance dvo ; 3iu8 -gc*u2ikzzfpuo0- is required to stop a car moving at 50 m/s under the same conditi io uu28 kfgc ;30d-p-zivuz*oon?
A. $50 \; m$
B. $100 \; m$
C. $200 \; m$
D. $400 \; m$
