Walking at a slower pace after realizing you will be early to school. A. speed

B. velocity

C. acceleration

A.speed

Explanation:

I didn't quite get the question but hope this helps

firearm identification is the process of analyzing the bullets and cartridge cases left at a crime scene to determine if they came from a particular firearm. marks on the bullets and cartridges may be common to every firearm of that type. these are called class characteristics.