[单选题]
A child falls sideways off a sled while sledding onbovq /byo 3g(.w gyh52 frictionless ice.v 4eqn7gpuqb)g ivlyn54 -. p: What happens to the vel) ype u-n .gqgq744i5v:n vbplocity of the sled?
A. It increases.
B. It remains the same.
C. It decreases.
D. cannot be determined from the information given