As I recall, earlier versions of the 737 cruised at a relatively slow .74M (485mph), while later versions have increased to around .78M (510mph). Maximum speed is ,82M, or 51 â¦ 1 mph.     If you have flight simulator 2004 or Flight Sim X the top speed is 340 kph.s I recall, earlier versions of the 737 cruised at a relatively slow .74M (485mph), while later versions have increased to around .78M (510mph). Maximum speed is ,82M, or 51 â¦ 1 mph.     If you have flight simulator 2004 or Flight Sim X the top speed is 340 kph.
Some of the major muscles of the calf include: 1  Gastrocnemius (calf muscle): One of the large muscles of the leg, it connects to the heel. It flexes and extends the foot, ankle, and knee.  Soleus: This muscle extends from the back of the knee to the heel.
Work up to 3 sets of 20 alternating reps. Seated Leg Extensions To strengthen the thigh and hip muscles, you need only extend your leg. Sit on the edge of your chair with your arms by your sides. Extend your right leg out straight and flex your foot so that just the right heel is on the floor. Lift your leg up as high as you can without rounding your back.