Question 1

What is a good walking pace?

Accepted Answer

Casual: 4-5 kph (15-12 min/km). Brisk: 5-6.5 kph (12-9 min/km). Fast walking: 6.5-8 kph (9-7.5 min/km).

Question 2

How many steps per minute is brisk walking?

Accepted Answer

100-120 steps/minute is brisk. 80-100 is moderate. Below 80 is slow. Step length also matters for speed.

Question 3

What's the fastest speed possible?

Accepted Answer

The speed of light (299,792,458 m/s or about 670 million mph) is the universal speed limit. Nothing with mass can reach it.

Question 4

Why do pilots and sailors use knots?

Accepted Answer

One knot = one nautical mile per hour. Nautical miles relate directly to Earth's latitude (1 nm = 1 minute of latitude), simplifying navigation.

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