A. A bullet is at rest. It travels a distance of 0.39 m in a time of 52 mis. Calculate its inital speed.​

I'm having some difficulty seeing the diagram clearly.but the question says there's a net inward force on the object.so we know right away,  from newton's 2nd law of motion, thatthat baby is accelerating.  it doesn't even matter which way thenet force is pointing.  if there's any net force, then either theobject's speed or else its direction must be changing.

Answerlosing electrons;

When the warmer parts go up and the colder parts go down in a circular motion.