During a manoeuvre in a space walk an astronauts' pulse rate first rose 48 beats per minute then fell 15 beats per minute rose 32 per minute , and after the astronauts return to the capsule fell 50 beats per minute . What is the net change in the pulse rate Share with your friends Share 1 Rishabh Mittal answered this Dear Student, 48 beats per minute increasedAfter that 15 beats per minute fellchange=48-15=33 beats per minute increases.32 beat per minute roses33+32=65 beats per minute rosesAfter taking capsule , 50 beats per minute fellNet change= 65-50=15 beats per minute increased. ANS... Regards 3 View Full Answer