At the top of a tall tower the acceleration due to gravity is 0.3% less than its value at sea level. What will be the percentage change in the time period of a simple pendulum of length 1.25m when moved from sea level to the top of the tower?
a) Increases by 0.075%
b) Increases by 0.30%
c) Increases by 0.15%
d) Increases by 0.45%