0.200 centimeters per second in kilometers per year
1 year has 365.25 days=8550 hours=513000minutes=30780000seconds per 1 yeartimes 0.2cm/1s by 30780000/30780000=6311520/30780000sec=6311520cm/1yr100cm=1mdivideĀ 6311520cm by 10063115.2result63115.2km per year