[单选题]
A 30.0-N stone is dropped from a height of 10.0 m, anggag ) 9amn(xmt(hj*-wokjl2b3 ewy;- (9 ndkd strikg; +bvc m6t t+jxs47hhes the ground with a velocity of 7.00 m/s. What average force of air friction acts on it as it fallshc4hxs7vg+ t + tm6b;j?
A. $22.5 \; N$
B. $75.0 \; N$
C. $225 \; N$
D. $293 \; N$
