Object.

Per hour.

Per sec.

Electricity moves ...........

............

288,000 miles

light moves ...............

............

192,000 miles

A rifle ball moves .........

..1,000 miles,

or 1,466 feet

Sound moves ..............

... 743 miles,

or 1,142 feet

A hurricane moves .........

...80 miles,

or 117 feet

A storm moves ............

.....36 miles,

or 62 feet

A horse runs ..............

.....20 miles,

or 29 feet

Steamboat runs ...........

.....18 miles,

or 26 feet

Sailing vessel runs .........

...10 miles,

or 14 feet

Slow rivers flow ...........

......3 miles,

or 4 feet

Rapid rivers flow ..........

......7 miles,

or 10 feet

A moderate wind blows.....

......7 miles,

or 10 feet

A horse trots ..............

......7 miles,

or 10 feet

A man walks ..............

......3 miles,

or 4 feet