A 300-G Lead Bullet Is Traveling at a Speed of 240

Multiple Choice

A 3.00-g lead bullet is traveling at a speed of 240 m/s when it embeds in a wood post.If we assume that half of the resultant heat energy generated remains with the bullet,what is the increase in temperature of the embedded bullet? (specific heat of lead = 0.030 5 kcal/kg* $\degree$ C,1 kcal = 4 186 J)

A) 113 $\degree$ C
B) 137 $\degree$ C
C) 226 $\degree$ C
D) 259 $\degree$ C