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:

S1:When a satellite is launched, the rocket begins by going slowly upw

1.	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:
A.	PQRS
B.	QPRS
C.	QSPR
D.	PQSR
Answer» C. QSPR