[单选题]
Sue and Sean are having a4 dk4fdn q0g/c tug-of-war by p-gu3l g8hmum;z 1u ev3ulling on opposite ends of a 5.0-kg rope. Sue pulls with a 15-N force. What is Sean's force if thezl83 gg;uu 1m-vumeh 3 rope accelerates toward Sue at $2.0 \; m/s^2$?
A. $3.0 \; N$
B. $5.0 \; N$
C. $25 \; N$
D. $50 \; N$