As Shown in the Figure,a 10-Kg Block on a Perfectly

Multiple Choice

As shown in the figure,a 10-kg block on a perfectly smooth horizontal table is connected by a horizontal string to a 63-kg block that is hanging over the edge of the table.What is the magnitude of the acceleration of the 10-kg block when the other block is gently released?

A) 8.5 m/s²
B) 8.1 m/s²
C) 7.5 m/s²
D) 9.0 m/s²