A 60-G Lead Bullet Traveling at 300 M/s Penetrates a Wooden

A 6.0-g lead bullet traveling at 300 m/s penetrates a wooden block and stops.If 50 percent of the initial kinetic energy of the bullet is converted into thermal energy in the bullet,by how much does the bullet's temperature increase? (The specific heat of lead is 128 J/kg · K.)

A) 0.17º C
B) 1.8 $\times$ 10² ºC
C) 17 ºC
D) 3.5 $\times$ 10² ºC
E) 35 ºC