Solve the all parts of given problem:
Problem: A CD-ROM drive in a computer spins the 12-cm-diameter disks at 7900 rpm.
Part A: What would be the speed of a speck of dust on the outside edge of this disk?
Part B: What is the acceleration in units of g that this speck of dust experiences?
I want help to determine the acceleration in units of g that this speck of dust experiences and express your answer to two significant figures and include the appropriate units.