S1:	When a satellite is launched, the rocket begins by going slowly upwards through the air.
P :	However, the higher it goes, the less air it meets.
Q :	As the rocket goes higher, it travels faster.
R :	For the atmosphere becomes thinner.
S :	As a result there is less friction.
S6:	Consequently, the rocket still does not become too hot.

The Proper sequence should be: