[单选题]
A 30.0-N stone is dropped from a height of 10.0 m, an dyrv. 0pp(;ngd strikeseu- a0oz9qu71otc 7ic the ground with a velocity of 7.00 m/s. What average force of air friction acts on it as it fall9 eo0i1 cco-a77quut zs?
A. $22.5 \; N$
B. $75.0 \; N$
C. $225 \; N$
D. $293 \; N$
