In each question, the first and the last sentences of the passage are numbered S1 and S6 respectively. The rest of the passage is split into four parts. These four sentences are jumbled. Read the sentences and identify their correct and logical order.

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S1: Science means finding out how things actually do happen.
P: He showed that a light object falls to the ground at the same rate as a heavy object.
Q: It does not mean laying down principles as to how they ought to happen.
R: This did not agree with the views of most learned men of that time.
S: The most famous example of this concerns Galileo's discovery about falling bodies.
S6: But Galileo proved his point experimentally by dropping weights from the Leaning Tower of Pisa.
The Proper sequence should be: