[单选题]
A child falls sideways off a sled while sledding on frictionless ice. ct vblp:3u- ;iiq7dcp ;co: non fu.+- Wbr+mo 4li ief1et l09. w:zdn+hat happens to the velocity of the slee9wrzl1n i:tlmibeo+ 0f+d. 4 d?
A. It increases.
B. It remains the same.
C. It decreases.
D. cannot be determined from the information given
