When we estimate distances from velocity data, it is sometimes necessary to use times  t0, t1, t2, t3, . . .  that are not equally spaced. We can still estimate distances using the time periods  Δti = ti − ti − 1.  For example, a space shuttle was launched on a mission, the purpose of which was to install a new motor in a satellite. The table provided gives the velocity data for the shuttle between liftoff and the jettisoning of the solid rocket boosters. Use these data to estimate the height, h, above Earth's surface of the space shuttle, 62 seconds after liftoff. Event Time (s) Velocity (ft/s) Launch 0     0       Begin roll maneuver 10     185       End roll maneuver 15     319       Throttle to 89% 20     447       Throttle to 67% 32     742       Throttle to 104% 59     1325       Maximum dynamic pressure 62     1445       Solid rocket booster separation 125     4151       We can obtain an upper estimate for the height by using the final velocity for each time interval.

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
Chapter1: Functions
Section1.2: Functions Given By Tables
Problem 2TU: Use the table of values you made in part 4 of the example to find the limiting value of the average...
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When we estimate distances from velocity data, it is sometimes necessary to use times 

t0, t1, t2, t3, . . .

 that are not equally spaced. We can still estimate distances using the time periods 

Δti = ti − ti − 1.

 For example, a space shuttle was launched on a mission, the purpose of which was to install a new motor in a satellite. The table provided gives the velocity data for the shuttle between liftoff and the jettisoning of the solid rocket boosters. Use these data to estimate the height, h, above Earth's surface of the space shuttle, 62 seconds after liftoff.

Event Time (s) Velocity (ft/s)
Launch 0     0      
Begin roll maneuver 10     185      
End roll maneuver 15     319      
Throttle to 89% 20     447      
Throttle to 67% 32     742      
Throttle to 104% 59     1325      
Maximum dynamic pressure 62     1445      
Solid rocket booster separation 125     4151      

We can obtain an upper estimate for the height by using the final velocity for each time interval.

The first interval begins at t = 0 and ends at t = 10, so its width is

Δt1 
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