Using a simple pendulum experiment is determined by measuring its time period . Which of the following plots represents the correct relation between the pendulum length and the time period ?

- A
A curve that starts flat and then falls steeply, concave down
- B
A straight line of negative slope
- C
A curve rising with increasing steepness, concave up
- D
A rectangular-hyperbola-shaped curve that falls steeply and then flattens towards the axis
