Foot per Minute to Cosmic Velocity - Third
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How to Convert Foot per Minute to Cosmic Velocity - Third
To ft/s: ÷ 60. To m/s: × 0.00508. To mph: ÷ 88.
1 ft/min = 0.00508 m/s = 0.01829 km/h = 0.3048 m/min.
For example, 1 Foot per Minute (ft/min) = 3.041916e-7 Cosmic Velocity - Third (v₃).
Foot per Minute to Cosmic Velocity - Third — Common Values
| Foot per Minute (ft/min) | Cosmic Velocity - Third (v₃) |
|---|---|
| 0.1 | 3.041916e-8 |
| 0.5 | 1.520958e-7 |
| 1 | 3.041916e-7 |
| 2 | 6.083832e-7 |
| 5 | 0.000001520958084 |
| 10 | 0.000003041916168 |
| 25 | 0.000007604790419 |
| 50 | 0.00001520958084 |
| 100 | 0.00003041916168 |
| 500 | 0.0001520958084 |
| 1000 | 0.0003041916168 |
About Foot per Minute (ft/min)
Foot per minute measures distance in feet traveled in one minute. Common in US industrial and HVAC applications.
1 ft/min = 0.00508 m/s = 0.01829 km/h = 0.3048 m/min.
To ft/s: ÷ 60. To m/s: × 0.00508. To mph: ÷ 88.
HVAC duct air velocity (600–2,000 fpm), conveyor belts (50–300 fpm), elevator speeds (200–1,500 fpm), and escalators (90–120 fpm).
Typical HVAC duct: 800–1,200 fpm. High-rise elevator: 1,000 fpm. Airport moving walkway: 140 fpm.
Confusing ft/min with ft/s — ft/min is 60× slower. Mixing fpm with mph.
60 ft/min = 1 ft/s. ~88 ft/min = 1 mph. Essential for HVAC calculations in the US.
About Cosmic Velocity - Third (v₃)
The third cosmic velocity is approximately 16,700 m/s (16.7 km/s), the minimum speed to escape the Sun's gravity from Earth's orbital position.
v₃ = √(v_sun² - v_Earth²) where v_sun is solar escape velocity from Earth's orbit. Approximately 16.7 km/s relative to Earth.
To km/h: × 3,600. To mph: × 37,282. 16.7 km/s = 60,120 km/h = 37,344 mph.
Voyager missions, future interstellar probes, and calculations for leaving the solar system.
Voyager 1: ~17 km/s relative to Sun (achieved via Jupiter gravity assist). Parker Solar Probe: 163 km/s peak (but toward Sun, not away).
Thinking Voyager was launched at 16.7 km/s — it used gravity assists. Also, confusing with speed needed to escape from Sun's surface (618 km/s).
~17 km/s to leave the solar system from Earth's orbit. Voyagers achieved this with gravity assists from planets.
