[单选题]
Sue and Sean are havi c l1syqsl:js(dt+57tng 0* y(agqe n1qma tug-of-war by pulling on opposite ends of a 5.0-kg rope. Sue pulls with a 15-N force. Wnayq *qg 10(emhat is Sean's force if the rope accelerates toward Sue at $2.0 \; m/s^2$?
A. $3.0 \; N$
B. $5.0 \; N$
C. $25 \; N$
D. $50 \; N$
