[单选题]
As a freely falling object speeds up, what is hapq8cr5tp pk-k*rr*wmn0dd *9epe1 8nb+;sae j5 syn/lo2pzyf r/ning to its acceleration, how does it change if air friction CANsnl2 sy/fyja/bnpo+5r 1z e8; NOT be ignored?
A. keep the same
B. increase
C. decrease
D. hard to tell
