The value of ‘g’ on earth’s surface is 9.8 m s2. Suppose the earth suddenly shrinks to

The value of ‘g’ on earth’s surface is 9.8 m s2. Suppose the earth suddenly shrinks to one-

third of its present size without losing any mass. What is the value of ‘g on the surface of
shrinked earth ?
[CBSE 2016]​